Konstruktion von Fuzzy-Interferenzmechanismen aus Inferenzbausteinen unter Anwendung von Methoden der Schaltwerktheorie. - Stephan Lehmke (GI Jahrestagung, 1999)

Logics which allow Degrees of Truth and Degrees of Validity: a way of handling graded truth assessment and graded trust assessment within a single framework. - Stephan Lehmke (2001)

Safe Modelling of Fuzzy If-Then Rules. - Irina Perfilieva; Stephan Lehmke (Fuzzy Days, 2004)

Approximation of Fuzzy Functions by Extended Fuzzy Transforms. - Martin Stepnicka; Stephan Lehmke (Fuzzy Days, 2004)

Obituary: Professor Dr. Helmut Thiele (1926-2003). - Siegfried Gottwald; Stephan Lehmke (Fuzzy Sets Syst., 2004)

Logical structure of fuzzy IF-THEN rules. - Vilém Novák; Stephan Lehmke (Fuzzy Sets Syst., 2006)

Correct models of fuzzy IF-THEN rules are continuous. - Irina Perfilieva; Stephan Lehmke (Fuzzy Sets Syst., 2006)